@keyframes glowingWave{0%{left:-100%;opacity:0}10%{opacity:.1}50%{opacity:.3}90%{opacity:.1}to{left:100%;opacity:0}}.glowing-wave:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3) 50%,transparent);animation:glowingWave 8s infinite}.category-dropdown{max-height:0;overflow:hidden;transition:max-height .3s ease-out}.category-dropdown.open{max-height:1000px}.hide-scrollbar{-ms-overflow-style:none;scrollbar-width:none}.hide-scrollbar::-webkit-scrollbar{display:none}@keyframes pulse{0%{transform:scale(1);opacity:.8}50%{transform:scale(1.1);opacity:1}to{transform:scale(1);opacity:.8}}.sidebar-indicator{animation:pulse 2s infinite}.sidebar-item{position:relative;overflow:hidden}.sidebar-item:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.sidebar-item:hover:after{left:100%}